Finding the Fourth Proportional to 37,730.84, 52,065.52 and 21,816.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,730.84 : 52,065.52 = 21,816.31 : x
2. Step 2: Convert to fraction form
   37,730.84/52,065.52 = 21,816.31/x
3. Step 3: Cross multiply
   37,730.84x = 52,065.52 × 21,816.31
4. Step 4: Simplify right side
   37,730.84x = 1,135,877,676.02
5. Step 5: Solve for x
   x = 1,135,877,676.02/37,730.84
6. Step 6: Final answer
   x = 30,104.76